English / USA
Maintenance Chart
The following maintenance operations apply to normal operating conditions.
If working conditions are difficult (very dusty work area, etc.) or your daily working
time is longer than normal, shorten the specified intervals accordingly.
Complete machine
Control handle
Air filter (felt)
Air filter (paper)
Filter in fuel tank
Fuel tank
Carburetor
Spark plug
Cooling inlet
2)
Spark arresting screen
in muffler
All accessible screws and nuts (not
adjusting screws)
AV elements (springs)
Cutting blade
Gearbox lubrication
Safety labels
1)
STIHL recommends a STIHL servicing dealer
2)
Not installed on all models
24
Visual inspection (condition, leaks)
Clean
Check operation
Clean
Replace
Clean
Replace
1)
Have checked by dealer
1)
Have replaced by dealer
Clean
Check idle setting
Readjust idle
Readjust electrode gap
Replace after 100 hours of operation
Visual inspectiong
Clean
1)
Have checked by dealer
Have cleaned or replaced by dealer
Retighten
Visual inspection
1)
Have replaced by dealer
Clean
Sharpen
Lubricate after 25 hours of operation
Replace
X
X
X
X
X
X
X
X
1)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
HS 86 R, HS 86 T